acherontic
/ˌækəˈrɑntɪk/
adjective
- Extremely dark, gloomy, or depressing; like the underworld.
- The novel's acherontic description of the war left readers with a sense of hopelessness.
- Her acherontic paintings often feature shadowy figures and deep black voids.
- The abandoned factory had an acherontic atmosphere that made everyone feel uneasy.